Can be used for suspension of all swings, hand rings etc. in the EKORRE series. Suitable for both indoor and outdoor use. http://www.ikea.com/kw/en/images/products/ekorre-hook__13514_PE093761_S4.JPGEKORRE Hookhttp://www.ikea.com/kw/en/catalog/products/80041049/800.410.49KD 0.750/ 2 pieces